Precalculus Textbook 8th Edition Section 2.3 Exercise 28 Solution

Precalculus Textbook 8th Edition Section 2.3 Exercise 28 Solution

Question:

Describe the End behavior of the polynomial function using and .

f(x) = x3 – x4 + 3x2 – 2x + 7

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Solution:

Given function is f(x) = x3 – x4 + 3x2 – 2x + 7 = -x4 + x3 + 3x2 – 2x + 7

The concept of the end behavior is as below. 

Thus,

At x tends to -infinity, f(x) tends to -infinity.

At x tends to infinity, f(x) tends to -infinity.

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